It is heat inside the earth. The temperature of the earth increases towards its centre. We can use this heat as hot water to heat buildings or to generate electricity.
It is a fossil fuel, which is often found in the ground. It consists mainly of methane and can be burned to produce electricity
It comes from the heat of the sun. Solar panels, called photovoltaic cells, are used to turn the sun’s energy into electricity. The sun can also be used to heat water, for example for use in homes, buildings or swimming pools.
It is produced from material that comes from plants and animals. For example wood, food waste or animal droppings can be burned to generate electricity in power plants.
It is fl ammable black hard rock, used as a fossil fuel. It was formed millions of years ago and it can be burned to create electricity or heat.
It is a thick black liquid drawn from the deep layers of the Earth. It has to be processed to separate its components: gasoline, diesel, jet fuel and other fuels.
The source of this energy sourcce is water, so power plants are usually located on or near a water source, for example a river or lake.
